Abstract: A diving pool includes a first tiered section extending to a first depth of the diving pool, a second tiered section extending to a second depth of the diving pool that is deeper than the first depth. The diving pool may be configured to facilitate pressure-based therapeutic treatments at the various depths. The diving pool may include a cover. The cover can be releasably positioned within the diving pool at a depth of the diving pool to isolate a shallower portion of the diving pool above the cover at the depth from a deeper portion of the diving pool below the cover at the depth.

Abstract: A diving pool includes a first tiered section extending to a first depth of the diving pool, a second tiered section extending to a second depth of the diving pool that is deeper than the first depth, and a cover. The cover can be releasably positioned within the diving pool at a depth of the diving pool to isolate a shallower portion of the diving pool above the cover at the depth from a deeper portion of the diving pool below the cover at the depth.

Abstract: A diving pool includes a first tiered section extending to a first depth of the diving pool, a second tiered section extending to a second depth of the diving pool that is deeper than the first depth, and a cover. The cover can be releasably positioned within the diving pool at a depth of the diving pool to isolate a shallower portion of the diving pool above the cover at the depth from a deeper portion of the diving pool below the cover at the depth.

Abstract: A diving pool includes a first tiered section extending to a first depth of the diving pool, a second tiered section extending to a second depth of the diving pool that is deeper than the first depth, and a cover. The cover can be releasably positioned within the diving pool at a depth of the diving pool to isolate a shallower portion of the diving pool above the cover at the depth from a deeper portion of the diving pool below the cover at the depth.

Abstract: A system, device, and method for communicating distress signals through a plumbing control system is provided. The system includes a plumbing controller configured to operate at least one plumbing appliance, at least one distress indicator in communication with the plumbing controller, and at least one distress sensor in communication with the plumbing controller. Activation of the at least one distress sensor causes activation of the at least one distress indicator.

Abstract: A diving pool includes a first tiered section extending to a first depth of the diving pool, a second tiered section extending to a second depth of the diving pool that is deeper than the first depth, and a cover. The cover can be releasably positioned within the diving pool at a depth of the diving pool to isolate a shallower portion of the diving pool above the cover at the depth from a deeper portion of the diving pool below the cover at the depth.

Abstract: A system, device, and method for communicating distress signals through a plumbing control system is provided. The system includes a plumbing controller configured to operate at least one plumbing appliance, at least one distress indicator in communication with the plumbing controller, and at least one distress sensor in communication with the plumbing controller. Activation of the at least one distress sensor causes activation of the at least one distress indicator.

Abstract: A system, device, and method for communicating distress signals through a plumbing control system is provided. The system includes a plumbing controller configured to operate at least one plumbing appliance, at least one distress indicator in communication with the plumbing controller, and at least one distress sensor in communication with the plumbing controller. Activation of the at least one distress sensor causes activation of the at least one distress indicator.

Abstract: A manifold for use with a tank in acid service includes a cylindrical main body having a central longitudinal axis, a tank connection and a plurality of parallel outlet connections in fluid communication with the cylindrical main body. The outlet connections are spaced apart at equal intervals along the main body and extend perpendicular to the central longitudinal axis of the main body. The cylindrical main body, the tank connection and outlet connections are each fabricated from a high density polyethylene having a density of from 0.956 to 0.964 gm/cm3. In one aspect, the manifold is fabricated from a high density polyethylene having a melt index of <0.15 gm/10 min., a flexural modulus of 110,000 to 160,000 psi and a tensile strength of >3600 psi. The high density polyethylene has a slow crack growth rate of >1000 hours, environmental stress cracking rate of >5000 hours.

Abstract: A sleeper cab assembly for a vehicle includes a frame configured to provide a support structure for at least a portion of the sleeper cab assembly. The frame includes a plurality of frame members coupled together. Each of the frame members are formed of a reinforced polymeric material.

Abstract: Signal converter system embodiments are provided to substantially reduce symmetrical and asymmetrical conversion errors. Signal-processing stages of these embodiments may include a signal sampler in addition to successively-arranged signal converters. In system embodiments, injected analog dither signals are initiated in response to a random digital code. They combine with a system's analog input signal and the combined signal is processed down randomly-selected signal-processing paths of the converter system to thereby realize significant improvements in system linearity. Because these linearity improvements are realized by simultaneous processing of the input signal and the injected dither signal, a combined digital code is realized at the system's output. A first portion of this combined digital code corresponds to the analog input signal and a second portion corresponds to the injected analog dither signal.

Abstract: Signal converter system embodiments are provided to substantially reduce symmetrical and asymmetrical conversion errors. Signal-processing stages of these embodiments may include a signal sampler in addition to successively-arranged signal converters. In system embodiments, injected analog dither signals are initiated in response to a random digital code. They combine with a system's analog input signal and the combined signal is processed down randomly-selected signal-processing paths of the converter system to thereby realize significant improvements in system linearity. Because these linearity improvements are realized by simultaneous processing of the input signal and the injected dither signal, a combined digital code is realized at the system's output. A first portion of this combined digital code corresponds to the analog input signal and a second portion corresponds to the injected analog dither signal.

Abstract: A sleeper cab assembly for a vehicle includes a frame configured to provide a support structure for at least a portion of the sleeper cab assembly. The frame includes a plurality of frame members coupled together. Each of the frame members are formed of a reinforced polymeric material.

Abstract: A buoyant hose lifter which selectively attaches to a portion of an existing hose of an underwater pool cleaning device, wherein the buoyancy of the hose lifter may be selectively varied by a user, thereby enabling the hose lifter and the underwater pool cleaning device attached thereunto to float at different vertical levels within the water of a swimming pool, thereby enabling the cleaning device to clean vertically elevated portions of the pool.